reaction velocity

简明释义

反应遣度

英英释义

例句

1.The chemist measured the reaction velocity to determine how quickly the substances were interacting.

化学家测量了反应速率以确定物质相互作用的速度。

2.To optimize the production process, we need to monitor the reaction velocity closely.

为了优化生产过程，我们需要密切监测反应速率。

3.The study focused on how the concentration of reactants affects the reaction velocity.

研究集中在反应物浓度如何影响反应速率。

4.The reaction velocity increases with temperature, which can accelerate the rate of chemical reactions.

随着温度的升高，反应速率增加，这可以加快化学反应的速度。

5.In enzyme kinetics, the reaction velocity is crucial for understanding how enzymes catalyze reactions.

在酶动力学中，反应速率对于理解酶如何催化反应至关重要。

作文

In the realm of chemistry, the concept of reaction velocity plays a crucial role in understanding how quickly chemical reactions occur. Reaction velocity (反应速率) refers to the speed at which reactants are converted into products during a chemical reaction. This rate can vary significantly depending on several factors, including the concentration of reactants, temperature, and the presence of catalysts. Understanding reaction velocity is essential not only for chemists but also for industries that rely on chemical processes to produce goods efficiently.One of the primary factors affecting reaction velocity is the concentration of the reactants. According to the collision theory, for a reaction to occur, molecules must collide with sufficient energy and proper orientation. When the concentration of reactants increases, the number of collisions between molecules also increases, leading to a higher reaction velocity (反应速率). For instance, in a simple reaction like the combination of hydrogen and oxygen to form water, increasing the concentration of either gas will result in more frequent collisions, thereby speeding up the reaction.Temperature is another critical factor influencing reaction velocity. Generally, an increase in temperature provides molecules with more kinetic energy, which enhances their movement. As a result, molecules collide more frequently and with greater energy, resulting in an increased reaction velocity (反应速率). For example, heating a solution can significantly speed up the rate of a reaction, which is why many industrial processes are conducted at elevated temperatures to maximize efficiency.The presence of catalysts is also vital in determining reaction velocity. A catalyst is a substance that accelerates a chemical reaction without being consumed in the process. It works by providing an alternative pathway for the reaction with a lower activation energy. This means that more molecules have enough energy to overcome the energy barrier, thus increasing the reaction velocity (反应速率). In many industrial applications, catalysts are employed to enhance production rates, making processes more cost-effective and environmentally friendly.Moreover, the study of reaction velocity is not limited to laboratory settings; it has real-world applications across various fields. For example, in pharmaceuticals, understanding the reaction velocity (反应速率) of drug interactions can lead to better dosing regimens and improved patient outcomes. In environmental science, knowing how quickly pollutants react can inform strategies for remediation and pollution control.In conclusion, the concept of reaction velocity is fundamental to the field of chemistry and has significant implications in various industries. By understanding the factors that affect reaction velocity (反应速率), scientists and engineers can optimize chemical processes, leading to more efficient production methods and better environmental practices. As we continue to advance our knowledge in this area, the importance of reaction velocity will undoubtedly remain a key focus in both research and application.

在化学领域，反应速率的概念对于理解化学反应发生的速度至关重要。反应速率（reaction velocity）是指在化学反应中，反应物转化为产物的速度。这个速率可能因多种因素而显著变化，包括反应物的浓度、温度以及催化剂的存在。理解反应速率不仅对化学家至关重要，也对依赖化学过程高效生产商品的行业至关重要。影响反应速率的主要因素之一是反应物的浓度。根据碰撞理论，为了使反应发生，分子必须以足够的能量和正确的方向碰撞。当反应物的浓度增加时，分子之间的碰撞次数也会增加，从而导致更高的反应速率（reaction velocity）。例如，在氢气和氧气结合形成水的简单反应中，增加任一气体的浓度会导致更频繁的碰撞，从而加快反应速率。温度是影响反应速率的另一个关键因素。通常，温度的升高使分子获得更多的动能，从而增强它们的运动。因此，分子之间的碰撞更加频繁且能量更大，导致反应速率（reaction velocity）增加。例如，加热溶液可以显著加快反应的速率，这就是为什么许多工业过程在高温下进行，以最大限度地提高效率。催化剂的存在在确定反应速率方面也至关重要。催化剂是一种加速化学反应的物质，而在过程中并不被消耗。它通过提供一种具有较低活化能的替代反应路径来发挥作用。这意味着更多的分子拥有足够的能量克服能量障碍，从而增加反应速率（reaction velocity）。在许多工业应用中，催化剂被用于提高生产速率，使过程更加经济高效和环保。此外，反应速率的研究不仅限于实验室环境；它在各个领域都有实际应用。例如，在制药行业，了解药物相互作用的反应速率（reaction velocity）可以导致更好的给药方案和改善患者的结果。在环境科学中，了解污染物反应的速度可以为修复和污染控制策略提供信息。总之，反应速率的概念是化学领域的基础，对各个行业具有重要意义。通过理解影响反应速率（reaction velocity）的因素，科学家和工程师可以优化化学过程，从而实现更高效的生产方法和更好的环境实践。随着我们在这一领域知识的不断进步，反应速率的重要性无疑将继续成为研究和应用的重点。